scoriae

1 definition found

scoriae - Collaborative International Dictionary of English v.0.48 :

  Scoria \Sco"ri*a\, n.; pl. Scoriae. [L., fr. Gr. ?, fr. ?
     dung, ordure.]
     1. The recrement of metals in fusion, or the slag rejected
        after the reduction of metallic ores; dross.
        [1913 Webster]
  
     2. Cellular slaggy lava; volcanic cinders.
        [1913 Webster]